These capacitive sensors for level detection use their active surface to detect the product, bulk material or liquid to be scanned in contact with the media. Their spherical electrical field effectively compensates for adhesions to the active surface of the sensor. Dimensions=Ø 30 x 78.5 mm, series=M30, thread (A)=M30x1.5, installation=not flush, connection=plug connector, M12x1 connector, 4-pin, switching output=NPN opener (NC), switching frequency=100 Hz, range=1...25 mm, sensitivity=adjustable switching distance, housing material=PBT, active surface, material=PBT, ambient temperature=-25...85 °C, operating voltage Ub=10...30 VDC, approval/conformity=CEcULusWEEE, protection class=IP67